Granted Patent
Utility
US 5,811,441 · App. 08/922,488
Isoxazoline fibrinogen receptor antagonists
Inventors:
Richard E. Olson, John Wityak
Patented Case
View Patent ↗
Granted: Sep 22, 1998
Filed: Sep 3, 1997
Inventors
Richard E. Olson
John Wityak
Assignee (at issue)
The DuPont Merck Pharmaceutical Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.